package com.yyx.dao;

public class TestDaoImpl implements TestDao {

    @Override
    public void query(){
        System.out.println("查询操作");
    }

    @Override
    public void delete(String a) {
        System.out.println("删除"+a);
    }

    @Override
    public void update(int a, int b) {
        System.out.println(a+"值变为"+b);
    }


//    @Override
//    public String delete(String a) {
//        return "删除"+a;
//    }




}
